CN111824352A - Lighting device for navigation - Google Patents
Lighting device for navigation Download PDFInfo
- Publication number
- CN111824352A CN111824352A CN202010716471.8A CN202010716471A CN111824352A CN 111824352 A CN111824352 A CN 111824352A CN 202010716471 A CN202010716471 A CN 202010716471A CN 111824352 A CN111824352 A CN 111824352A
- Authority
- CN
- China
- Prior art keywords
- driving
- lighting device
- illumination
- sealing
- hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B45/00—Arrangements or adaptations of signalling or lighting devices
- B63B45/02—Arrangements or adaptations of signalling or lighting devices the devices being intended to illuminate the way ahead or other areas of environments
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
- F21V14/02—Controlling the distribution of the light emitted by adjustment of elements by movement of light sources
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
- F21V21/14—Adjustable mountings
- F21V21/22—Adjustable mountings telescopic
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
- F21V21/14—Adjustable mountings
- F21V21/30—Pivoted housings or frames
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2107/00—Use or application of lighting devices on or in particular types of vehicles
- F21W2107/20—Use or application of lighting devices on or in particular types of vehicles for water vehicles
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention provides a lighting device for navigation, comprising: the ship body is provided with an accommodating space, a partition board is arranged in the accommodating space, and the partition board divides the accommodating space into a sealing cavity and an operation cavity with an opening; the driving piece is positioned in the sealing cavity and comprises a first driving part and a second driving part; the rotary table comprises a rotary table body, a first driving portion is connected with the rotary table body, a second driving portion is connected with the rotary table body, an illuminating piece is arranged on the rotary table body and comprises a first illuminating portion and a second illuminating portion, the first illuminating portion is arranged in the middle of the rotary table body, and the second illuminating portion and the first illuminating piece are arranged at intervals. The first driving part drives the rotating disc to rotate, the first illumination part is located in the middle of the rotating disc, so that the first illumination part can continuously illuminate towards the specified direction, and the second illumination part is located at the eccentric position of the rotating disc, so that the second illumination part can rotate along with the first illumination part in the rotating process of the rotating disc, so that the second illumination part can rotate to illuminate in a rotating mode, and the illumination direction and the illumination area are increased.
Description
Technical Field
The invention relates to the technical field of navigation lighting lamps, in particular to a navigation lighting device.
Background
In the process of aviation, the lighting device is an important part for outputting signals by the ship body, but the lighting direction of the lighting device is single, and the lighting area is small, so that the signal transmission of the ship body to the outside is influenced.
Therefore, it is necessary to develop a lighting device for navigation to solve the above technical problems.
Disclosure of Invention
The invention aims to provide a marine lighting device, which can drive a second lighting piece to rotate by rotating a turntable, thereby increasing the lighting area.
The above object of the present invention can be achieved by the following technical solutions:
the invention provides a lighting device for navigation, comprising:
the ship comprises a ship body, wherein an accommodating space is arranged on the ship body, a partition plate is arranged in the accommodating space, and the partition plate divides the accommodating space into a sealed cavity and an operation cavity with an opening;
the driving piece is positioned in the sealing cavity and comprises a first driving part and a second driving part;
the first driving part is connected with the rotary disc to drive the rotary disc to rotate, and the second driving part is connected with the rotary disc to drive the rotary disc to extend out of or retract into the operation cavity;
the illumination piece is arranged on the rotary disc and comprises a first illumination part and a second illumination part, the first illumination part is arranged in the middle of the rotary disc, and the second illumination part and the first illumination piece are arranged at intervals.
In some embodiments of the present invention, the first driving portion includes a driving motor and a coupling, a motor shaft of the driving motor is connected to the coupling, the coupling is provided with a connecting shaft, the partition is provided with a first sealing hole, the connecting shaft penetrates through the first sealing hole and extends into the operating cavity, and the connecting shaft is provided with a telescopic blind hole;
the turntable is provided with a telescopic shaft, the telescopic shaft is arranged in the telescopic blind hole in a sliding mode, and the connecting shaft is connected with the telescopic shaft to drive the connecting shaft to rotate.
In some embodiments of the present invention, a plurality of guide sliding grooves are circumferentially arranged at intervals on an inner surface of the blind telescopic hole, a plurality of guide ribs are circumferentially arranged at intervals on an outer surface of the telescopic shaft, and the plurality of guide ribs are slidably arranged in the plurality of guide sliding grooves in a one-to-one correspondence manner.
In some embodiments of the present invention, an inclined chamfer is provided at one end of each guiding rib close to the bottom of the blind telescopic hole.
In some embodiments of the present invention, a first sealing member is disposed between the first sealing hole and the connecting shaft, an upper end of the first sealing member is provided with a first upper flange supported on an upper end surface of the partition plate, and a lower end of the first sealing member is provided with a first lower flange supported on a lower end surface of the partition plate.
In some embodiments of the present invention, the second driving portion includes a plurality of driving cylinders, the plurality of driving cylinders are disposed at intervals along a circumferential direction of the turntable, a plurality of second sealing holes are disposed at intervals on the partition plate, and push rods of the plurality of driving cylinders penetrate through the plurality of second sealing holes one by one and extend into the operation cavity;
the carousel is close to be equipped with annular slide on the side of baffle, every drive the equal sliding connection of push rod of actuating cylinder in the annular slide.
In some embodiments of the present invention, an annular support groove is formed on a side wall of the annular slide way, a free end of the push rod of each driving cylinder is provided with a support portion, and each support portion is slidably disposed in the annular support groove.
In some embodiments of the present invention, a second sealing member is disposed between the second sealing hole and the push rod of the driving cylinder, an upper end of the second sealing member is provided with a second upper flange supported on an upper end surface of the partition plate, and a lower end of the second sealing member is provided with a second lower flange supported on a lower end surface of the partition plate.
In some embodiments of the present invention, an angle is formed between an illumination direction of the second illumination portion and an illumination direction of the first illumination portion.
In some embodiments of the invention, the receiving space is provided at the bottom of the hull.
The invention has the characteristics and advantages that: in the navigation process, when the visibility is low, the turntable can be driven to rotate by the first driving part, the first illumination part is positioned in the middle of the turntable, so that the first illumination part can continuously illuminate towards a specified direction, the second illumination part is positioned at the eccentric position of the turntable, and in the rotation process of the turntable, the second illumination part can rotate along with the turntable, so that the second illumination part can perform rotary illumination, the illumination direction and the illumination area are increased, the visual field in navigation is increased, a ship at a far position can be warned by the rotary illumination, the collision is avoided, and the navigation safety is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic view of a marine lighting device according to an embodiment of the present invention.
The reference numbers illustrate:
1. a hull; 11. a partition plate; 12. sealing the cavity; 13. an operating chamber;
2. a first driving section; 21. a drive motor; 22. a coupling; 23. a connecting shaft; 231. a telescopic blind hole; 232. a guide chute;
3. a second driving section; 31. a driving cylinder; 311. a support portion;
4. a turntable; 41. a telescopic shaft; 411. a guide rib; 42. an annular chute; 421. an annular support groove;
5. a first illumination unit;
6. a second illumination unit;
7. a first seal member;
8. a second seal.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1, the present invention provides a marine lighting device, comprising: the ship comprises a ship body 1, wherein an accommodating space is arranged on the ship body 1, a partition plate 11 is arranged in the accommodating space, and the partition plate 11 divides the accommodating space into a sealed cavity 12 and an operation cavity 13 with an opening; a driving member located in the sealed cavity 12, the driving member including a first driving part 2 and a second driving part 3; the first driving part 2 is connected with the rotary disc 4 to drive the rotary disc 4 to rotate, and the second driving part 3 is connected with the rotary disc 4 to drive the rotary disc 4 to extend or retract into the operation cavity 13; the illumination piece is arranged on the rotary table 4 and comprises a first illumination part 5 and a second illumination part 6, the first illumination part 5 is arranged in the middle of the rotary table 4, and the second illumination part 6 and the first illumination piece are arranged at intervals. The illumination portion may be a searchlight or a dive light.
It can be understood that, during the navigation, when the visibility is low, the rotary plate 4 can be driven to rotate by the first driving part 2, since the first illuminating part 5 is located at the middle of the rotary plate 4, the first illumination can be continuously illuminated toward the designated direction, and the second illuminating part 6 is located at the eccentric position of the rotary plate 4, so that during the rotation of the rotary plate 4, the second illuminating part 6 can also rotate along with the rotary plate, the second illuminating part 6 can be rotated to illuminate in a rotating way, the illuminating direction and the illuminating area are increased, so as to increase the visual field during the navigation, and a ship at a farther position can be warned by the rotating illumination, thereby avoiding collision and improving the navigation safety.
In some embodiments of the invention, the receiving space is provided at the bottom of the hull 1. The lighting device can be placed at the bottom of the ship body 1, so that when a diver dives underwater, the diver can be helped to identify the position of the ship body 1 through the rotating lighting characteristic of the second lighting piece, and the purpose of direction guiding is achieved.
In some embodiments of the present invention, the first driving portion 2 includes a driving motor 21 and a coupler 22, a motor shaft of the driving motor 21 is connected to the coupler 22, the coupler 22 is provided with a connecting shaft 23, the partition 11 is provided with a first sealing hole, the connecting shaft 23 passes through the first sealing hole and extends into the operation cavity 13, and the connecting shaft 23 is provided with a blind telescopic hole 231;
be equipped with telescopic shaft 41 on carousel 4, telescopic shaft 41 slide set up in flexible blind hole 231, just connecting axle 23 with telescopic shaft 41 links to each other in order to drive connecting axle 23 rotates.
In some embodiments of the present invention, a plurality of guide sliding grooves 232 are circumferentially spaced on an inner surface of the blind telescopic hole 231, a plurality of guide ribs 411 are circumferentially spaced on an outer surface of the telescopic shaft 41, and the plurality of guide ribs 411 are slidably disposed in the plurality of guide sliding grooves 232 in a one-to-one correspondence manner.
In some embodiments of the present invention, an end of each of the guiding ribs 411 near the bottom of the blind telescopic hole 231 is provided with an inclined chamfer. Thereby facilitating sliding movement within the guide runner 232.
In some embodiments of the present invention, a first sealing member 7 is disposed between the first sealing hole and the connecting shaft 23, an upper end of the first sealing member 7 is provided with a first upper flange supported on an upper end surface of the partition plate 11, and a lower end of the first sealing member 7 is provided with a first lower flange supported on a lower end surface of the partition plate 11.
In some embodiments of the present invention, the second driving portion 3 includes a plurality of driving cylinders 31, the plurality of driving cylinders 31 are disposed at intervals along the circumferential direction of the rotating disk 4, a plurality of second sealing holes are disposed at intervals on the partition plate 11, and the push rods of the plurality of driving cylinders 31 penetrate through the plurality of second sealing holes one by one and extend into the operating cavity 13;
the side face, close to the partition plate 11, of the rotary table 4 is provided with an annular slide way 42, and the push rods of the driving air cylinders 31 are connected in the annular slide way 42 in a sliding mode.
In some embodiments of the present invention, the side wall of the annular slide way 42 is provided with an annular support groove 421, the free end of the push rod of each driving cylinder 31 is provided with a support portion 311, and each support portion 311 is slidably disposed in the annular support groove 421. From this, guarantee to drive the stability of being connected between actuating cylinder 31's push rod and the carousel 4, avoid both separations, guarantee to drive actuating cylinder 31's push rod and can drive carousel 4 and remove when flexible.
In some embodiments of the present invention, a second sealing member 8 is disposed between the second sealing hole and the push rod of the driving cylinder 31, an upper end of the second sealing member 8 is provided with a second upper flange supported on an upper end surface of the partition plate 11, and a lower end of the second sealing member 8 is provided with a second lower flange supported on a lower end surface of the partition plate 11.
In some embodiments of the present invention, an angle is formed between the illumination direction of the second illumination portion 6 and the illumination direction of the first illumination portion 5. Thereby, the first illumination section 5 can be illuminated in a given direction, while the second illumination section 6 is disposed obliquely, thereby increasing the illumination area. In some embodiments, the included angle may be between 30-60 degrees.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A marine lighting device, comprising:
the ship body is provided with an accommodating space, a partition board is arranged in the accommodating space, and the partition board divides the accommodating space into a sealing cavity and an operation cavity with an opening.
The driving piece is positioned in the sealing cavity and comprises a first driving part and a second driving part;
the first driving part is connected with the rotary disc to drive the rotary disc to rotate, and the second driving part is connected with the rotary disc to drive the rotary disc to extend out of or retract into the operation cavity.
The illumination piece is arranged on the rotary disc and comprises a first illumination part and a second illumination part, the first illumination part is arranged in the middle of the rotary disc, and the second illumination part and the first illumination piece are arranged at intervals.
2. The marine lighting device according to claim 1, wherein the first driving portion comprises a driving motor and a coupling, a motor shaft of the driving motor is connected to the coupling, the coupling is provided with a connecting shaft, the partition is provided with a first sealing hole, the connecting shaft passes through the first sealing hole and extends into the operating cavity, and the connecting shaft is provided with a blind telescopic hole;
the turntable is provided with a telescopic shaft, the telescopic shaft is arranged in the telescopic blind hole in a sliding mode, and the connecting shaft is connected with the telescopic shaft to drive the connecting shaft to rotate.
3. The marine lighting device of claim 2, wherein a plurality of guide sliding grooves are formed in the inner surface of the telescopic blind hole at intervals in the circumferential direction, a plurality of guide ribs are formed in the outer surface of the telescopic shaft at intervals in the circumferential direction, and the plurality of guide ribs are slidably arranged in the plurality of guide sliding grooves in a one-to-one correspondence manner.
4. The marine lighting device of claim 3, wherein an end of each of said guide ribs adjacent to the bottom of said blind telescoping hole is provided with an inclined chamfer.
5. The marine lighting device as claimed in claim 2, wherein a first sealing member is provided between the first sealing hole and the connection shaft, a first upper flange supported on an upper end surface of the partition plate is provided at an upper end of the first sealing member, and a first lower flange supported on a lower end surface of the partition plate is provided at a lower end of the first sealing member.
6. The marine lighting device of claim 1, wherein the second driving unit comprises a plurality of driving cylinders, the driving cylinders are spaced apart from each other along a circumferential direction of the turntable, the partition plate is provided with a plurality of second sealing holes, and push rods of the driving cylinders penetrate through the second sealing holes and extend into the operating cavity in a one-to-one correspondence manner;
the carousel is close to be equipped with annular slide on the side of baffle, every drive the equal sliding connection of push rod of actuating cylinder in the annular slide.
7. The marine lighting device of claim 6, wherein the annular slide has an annular support groove on a side wall thereof, and each of the support portions is slidably disposed in the annular support groove.
8. The marine lighting device of claim 6, wherein a second sealing member is disposed between the second sealing hole and the push rod of the driving cylinder, an upper end of the second sealing member is provided with a second upper flange supported on an upper end surface of the partition plate, and a lower end of the second sealing member is provided with a second lower flange supported on a lower end surface of the partition plate.
9. The marine lighting device of claim 1, wherein an angle is provided between a lighting direction of the second lighting portion and a lighting direction of the first lighting portion.
10. The marine lighting device of claim 1, wherein said receiving space is provided at a bottom of said hull.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010716471.8A CN111824352B (en) | 2020-07-23 | 2020-07-23 | Lighting device for navigation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010716471.8A CN111824352B (en) | 2020-07-23 | 2020-07-23 | Lighting device for navigation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111824352A true CN111824352A (en) | 2020-10-27 |
| CN111824352B CN111824352B (en) | 2022-07-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010716471.8A Active CN111824352B (en) | 2020-07-23 | 2020-07-23 | Lighting device for navigation |
Country Status (1)
| Country | Link |
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| CN (1) | CN111824352B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112357001A (en) * | 2020-10-30 | 2021-02-12 | 北京京创净源环境技术研究院有限公司 | Underwater multifunctional unmanned aerial vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6190953U (en) * | 1984-11-20 | 1986-06-13 | ||
| US20120057370A1 (en) * | 2005-03-30 | 2012-03-08 | Tseng-Lu Chien | Interchange Universal Kits for LED LIght Device |
| CN104566101A (en) * | 2013-10-28 | 2015-04-29 | 常州市豪鹰车灯厂 | Automatic telescopic in-vehicle lamp |
| CN207860396U (en) * | 2017-12-04 | 2018-09-14 | 岭南师范学院 | A kind of harbour commander navigation mark |
| CN108895379A (en) * | 2018-07-19 | 2018-11-27 | 刘肖俊 | A kind of high-environmental degree energy-saving LED illuminating lamp |
| CN209101192U (en) * | 2018-08-28 | 2019-07-12 | 广州市明道灯光科技股份有限公司 | A kind of stage lighting dynamic effect pattern disk |
| CN209241265U (en) * | 2018-11-03 | 2019-08-13 | 浙江焜普船用电气有限公司 | Headlamp is used on a kind of ship |
| CN210532316U (en) * | 2019-10-31 | 2020-05-15 | 天津路航船务有限公司 | Dynamic type navigation mark lamp connecting structure |
| CN210951129U (en) * | 2019-12-13 | 2020-07-07 | 天津星海岸科技开发有限公司 | Dynamic navigation mark lamp |
-
2020
- 2020-07-23 CN CN202010716471.8A patent/CN111824352B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6190953U (en) * | 1984-11-20 | 1986-06-13 | ||
| US20120057370A1 (en) * | 2005-03-30 | 2012-03-08 | Tseng-Lu Chien | Interchange Universal Kits for LED LIght Device |
| CN104566101A (en) * | 2013-10-28 | 2015-04-29 | 常州市豪鹰车灯厂 | Automatic telescopic in-vehicle lamp |
| CN207860396U (en) * | 2017-12-04 | 2018-09-14 | 岭南师范学院 | A kind of harbour commander navigation mark |
| CN108895379A (en) * | 2018-07-19 | 2018-11-27 | 刘肖俊 | A kind of high-environmental degree energy-saving LED illuminating lamp |
| CN209101192U (en) * | 2018-08-28 | 2019-07-12 | 广州市明道灯光科技股份有限公司 | A kind of stage lighting dynamic effect pattern disk |
| CN209241265U (en) * | 2018-11-03 | 2019-08-13 | 浙江焜普船用电气有限公司 | Headlamp is used on a kind of ship |
| CN210532316U (en) * | 2019-10-31 | 2020-05-15 | 天津路航船务有限公司 | Dynamic type navigation mark lamp connecting structure |
| CN210951129U (en) * | 2019-12-13 | 2020-07-07 | 天津星海岸科技开发有限公司 | Dynamic navigation mark lamp |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112357001A (en) * | 2020-10-30 | 2021-02-12 | 北京京创净源环境技术研究院有限公司 | Underwater multifunctional unmanned aerial vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111824352B (en) | 2022-07-26 |
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